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authorThorbjørn Lindeijer <bjorn@lindeijer.nl>2024-06-19 10:10:15 +0200
committerThorbjørn Lindeijer <bjorn@lindeijer.nl>2024-06-19 10:10:15 +0200
commit61d02a395b0ca594640f0fb917d7162a5aba2c37 (patch)
tree7dd6f7f540dda3d89d37bc7e19f3f4d27dd53c85 /libs/enet/packet.c
parent5da59b807d9840fb23feb42df729bf5e88ee9678 (diff)
parentac0b338b3e026d0d05a447894de9a6a994da82dc (diff)
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Merge branch 'master' into online-player-listonline-player-list
Conflicts: src/net/tmwa/chathandler.cpp
Diffstat (limited to 'libs/enet/packet.c')
-rw-r--r--libs/enet/packet.c157
1 files changed, 0 insertions, 157 deletions
diff --git a/libs/enet/packet.c b/libs/enet/packet.c
deleted file mode 100644
index 2fc9a10e..00000000
--- a/libs/enet/packet.c
+++ /dev/null
@@ -1,157 +0,0 @@
-/**
- @file packet.c
- @brief ENet packet management functions
-*/
-#include <string.h>
-#define ENET_BUILDING_LIB 1
-#include "enet/enet.h"
-
-/** @defgroup Packet ENet packet functions
- @{
-*/
-
-/** Creates a packet that may be sent to a peer.
- @param dataContents initial contents of the packet's data; the packet's data will remain uninitialized if dataContents is NULL.
- @param dataLength size of the data allocated for this packet
- @param flags flags for this packet as described for the ENetPacket structure.
- @returns the packet on success, NULL on failure
-*/
-ENetPacket *
-enet_packet_create (const void * data, size_t dataLength, enet_uint32 flags)
-{
- ENetPacket * packet = (ENetPacket *) enet_malloc (sizeof (ENetPacket));
- if (packet == NULL)
- return NULL;
-
- if (flags & ENET_PACKET_FLAG_NO_ALLOCATE)
- packet -> data = (enet_uint8 *) data;
- else
- {
- packet -> data = (enet_uint8 *) enet_malloc (dataLength);
- if (packet -> data == NULL)
- {
- enet_free (packet);
- return NULL;
- }
-
- if (data != NULL)
- memcpy (packet -> data, data, dataLength);
- }
-
- packet -> referenceCount = 0;
- packet -> flags = flags;
- packet -> dataLength = dataLength;
- packet -> freeCallback = NULL;
-
- return packet;
-}
-
-/** Destroys the packet and deallocates its data.
- @param packet packet to be destroyed
-*/
-void
-enet_packet_destroy (ENetPacket * packet)
-{
- if (packet -> freeCallback != NULL)
- (* packet -> freeCallback) (packet);
- if (! (packet -> flags & ENET_PACKET_FLAG_NO_ALLOCATE))
- enet_free (packet -> data);
- enet_free (packet);
-}
-
-/** Attempts to resize the data in the packet to length specified in the
- dataLength parameter
- @param packet packet to resize
- @param dataLength new size for the packet data
- @returns 0 on success, < 0 on failure
-*/
-int
-enet_packet_resize (ENetPacket * packet, size_t dataLength)
-{
- enet_uint8 * newData;
-
- if (dataLength <= packet -> dataLength || (packet -> flags & ENET_PACKET_FLAG_NO_ALLOCATE))
- {
- packet -> dataLength = dataLength;
-
- return 0;
- }
-
- newData = (enet_uint8 *) enet_malloc (dataLength);
- if (newData == NULL)
- return -1;
-
- memcpy (newData, packet -> data, packet -> dataLength);
- enet_free (packet -> data);
-
- packet -> data = newData;
- packet -> dataLength = dataLength;
-
- return 0;
-}
-
-static int initializedCRC32 = 0;
-static enet_uint32 crcTable [256];
-
-static enet_uint32
-reflect_crc (int val, int bits)
-{
- int result = 0, bit;
-
- for (bit = 0; bit < bits; bit ++)
- {
- if(val & 1) result |= 1 << (bits - 1 - bit);
- val >>= 1;
- }
-
- return result;
-}
-
-static void
-initialize_crc32 ()
-{
- int byte;
-
- for (byte = 0; byte < 256; ++ byte)
- {
- enet_uint32 crc = reflect_crc (byte, 8) << 24;
- int offset;
-
- for(offset = 0; offset < 8; ++ offset)
- {
- if (crc & 0x80000000)
- crc = (crc << 1) ^ 0x04c11db7;
- else
- crc <<= 1;
- }
-
- crcTable [byte] = reflect_crc (crc, 32);
- }
-
- initializedCRC32 = 1;
-}
-
-enet_uint32
-enet_crc32 (const ENetBuffer * buffers, size_t bufferCount)
-{
- enet_uint32 crc = 0xFFFFFFFF;
-
- if (! initializedCRC32) initialize_crc32 ();
-
- while (bufferCount -- > 0)
- {
- const enet_uint8 * data = (const enet_uint8 *) buffers -> data,
- * dataEnd = & data [buffers -> dataLength];
-
- while (data < dataEnd)
- {
- crc = (crc >> 8) ^ crcTable [(crc & 0xFF) ^ *data++];
- }
-
- ++ buffers;
- }
-
- return ENET_HOST_TO_NET_32 (~ crc);
-}
-
-/** @} */